Support for GHC-7.6#3

Open

tsuraan wants to merge 3 commits intosoftmechanics:masterfrom

Commits on Dec 3, 2012

an attempt at making MissingPy work in GHC 7.6, but exceptions are not correct
jay groven
committed

Commits on Dec 4, 2012

add instances for Bool and Maybe
jay groven
committed

Commits on Dec 19, 2012

ByteString instances
jay groven
committed